289522 has 12 divisors (see below), whose sum is σ = 459486. Its totient is φ = 136800.

The previous prime is 289511. The next prime is 289543. The reversal of 289522 is 225982.

It can be written as a sum of positive squares in only one way, i.e., 159201 + 130321 = 399^2 + 361^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 8⁶ + 5² + 9³ + 2¹³ + 2¹⁴ .

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 522 + ... + 922.

2²⁸⁹⁵²² is an apocalyptic number.

289522 is a deficient number, since it is larger than the sum of its proper divisors (169964).

289522 is a wasteful number, since it uses less digits than its factorization.

289522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 422 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 289522 is about 538.0724858232. The cubic root of 289522 is about 66.1546724391.

The spelling of 289522 in words is "two hundred eighty-nine thousand, five hundred twenty-two".